Finding the Fourth Proportional to 2,726,358.40, 3,762,390.08 and 1,581,118.08
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Solution
The fourth proportional to 2,726,358.40, 3,762,390.08 and 1,581,118.08 is: 2,181,951.93
Step by Step Solution
- Step 1: Write the proportion equation
2,726,358.40 : 3,762,390.08 = 1,581,118.08 : x - Step 2: Convert to fraction form
2,726,358.40/3,762,390.08 = 1,581,118.08/x - Step 3: Cross multiply
2,726,358.40x = 3,762,390.08 × 1,581,118.08 - Step 4: Simplify right side
2,726,358.40x = 5,948,782,979,500.65 - Step 5: Solve for x
x = 5,948,782,979,500.65/2,726,358.40 - Step 6: Final answer
x = 2,181,951.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.